DE102010060994A1 - Clamping assembly for air springs, has air spring bellows with tubular end portion, air spring cover and clamping ring, where clamping ring is pressed by electromagnetic pulse formation against air spring bellows and air spring cover - Google Patents
Clamping assembly for air springs, has air spring bellows with tubular end portion, air spring cover and clamping ring, where clamping ring is pressed by electromagnetic pulse formation against air spring bellows and air spring cover Download PDFInfo
- Publication number
- DE102010060994A1 DE102010060994A1 DE201010060994 DE102010060994A DE102010060994A1 DE 102010060994 A1 DE102010060994 A1 DE 102010060994A1 DE 201010060994 DE201010060994 DE 201010060994 DE 102010060994 A DE102010060994 A DE 102010060994A DE 102010060994 A1 DE102010060994 A1 DE 102010060994A1
- Authority
- DE
- Germany
- Prior art keywords
- air spring
- clamping ring
- air
- clamping
- bellows
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0454—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by the assembling method or by the mounting arrangement, e.g. mounting of the membrane
Abstract
Description
Die Erfindung betrifft eine Klemmanordnung für Luftfedern, aufweisend
- – einen Luftfederbalg mit mindestens einem schlauchförmigen Endbereich,
- – mindestens einen Luftfederdeckel und
- – mindestens einen Spannring.
- An air spring bellows with at least one tubular end region,
- - At least one air spring cover and
- - At least one clamping ring.
Luftfedern der genannten Art sind an sich bekannt und beispielsweise bei der Federung von Sitzen oder Fahrerhäusern von Nutzfahrzeugen im Einsatz. Das schlauchförmige Ende des Luftfederbalges ist bei derartigen Luftfedern mittels des Spannringes auf dem Luftfederdeckel luftdicht befestigt.Air springs of the type mentioned are known per se and, for example, in the suspension of seats or cabs of commercial vehicles in use. The tubular end of the air spring bellows is air-tightly secured in such air springs by means of the clamping ring on the air spring cover.
Die Befestigung ist dabei meist dadurch realisiert, dass der Spannring durch eine radiale plastische Umformung von außen gegen den Luftfederbalg pressbar ist und dadurch der Luftfederbalg auf einer Klemmkontur des Luftfederdeckels festspannbar ist.The attachment is usually realized by the fact that the clamping ring can be pressed by a radial plastic deformation from the outside against the air spring bellows and thereby the air bag is clamped on a clamping contour of the air spring cover.
In der
Üblicherweise sind die Spannringe durch segmentierte Werkzeuge radial zusammenpressbar, wobei durch die Segmentierung der Werkzeuge am Spannring Bereiche mit höherer Anpresskraft abwechselnd mit Bereichen geringerer Presskraft angeordnet sind. Dadurch sind einerseits Undichtigkeiten in den Bereichen mit geringerem Anpressdruck möglich, andererseits besteht die Gefahr, dass der Luftfederbalg in den Bereichen mit höherem Anpressdruck beschädigt wird.Usually, the clamping rings are radially compressible by segmented tools, which are arranged by the segmentation of the tools on the clamping ring areas with higher contact force alternately with areas of lower pressing force. As a result, on the one hand leaks in the areas with less contact pressure possible, on the other hand, there is a risk that the air bag is damaged in the areas with higher contact pressure.
In der
Der Erfindung liegt die Aufgabe zugrunde, eine Klemmanordnung für Luftfedern zu schaffen, die eine hohe Luftdichtigkeit ohne zusätzliche Dichtkörper ermöglicht und dabei die Gefahr der Zerstörung des Luftfederbalges durch ungleichmäßigen Anpressdruck zu minimieren.The invention has for its object to provide a clamping arrangement for air springs, which allows a high air-tightness without additional sealing body while minimizing the risk of destruction of the air spring bellows by uneven contact pressure.
Diese Aufgabe wird dadurch gelöst, dass der zu verpressende Spannring mittels elektromagnetischer Pulsumformung gegen den Luftfederbalg und den Luftfederdeckel verpressbar ist.This object is achieved in that the clamping ring to be pressed by means of electromagnetic pulse deformation against the air spring bellows and the air spring cover is compressible.
Derartig umgeformte Spannringe haben den Vorteil, dass sie durch den Wegfall der Segmentierung der Umformwerkzeuge eine über den Umfang gleichmäßige, radiale Verformung aufweisen. Daher ist auch der Anpressdruck auf dem Umfang der Luftfederbälge sehr gleichmäßig, so dass nennenswerten Unterschiede im Anpressdruck nicht mehr auftreten.Such deformed clamping rings have the advantage that they have a uniform over the circumference, radial deformation by eliminating the segmentation of the forming tools. Therefore, the contact pressure on the circumference of the bellows is very uniform, so that significant differences in contact pressure no longer occur.
Das Maß der Formänderung lässt sich über die Stärke und den zeitlichen Verlauf des Magnetfeldes bei der Umformung in weiten Grenzen einstellen. Daher ist die Gefahr zu hohen Anpressdruckes und damit der Beschädigung der Luftfederbälge minimiert. Außerdem dauert die Umformung nur wenige Bruchteile von Sekunden. Die Richtung des Magnetfeldes bestimmt dabei, ob der Spannring im Durchmesser verringerbar oder vergrößerbar ist. Daher sind auch Verspannungen von Innen nach Außen möglich.The degree of change in shape can be adjusted over the strength and the time course of the magnetic field during the forming within wide limits. Therefore, the risk of high contact pressure and thus the damage of the bellows is minimized. In addition, the conversion takes only a few fractions of seconds. The direction of the magnetic field determines whether the clamping ring in diameter can be reduced or increased. Therefore, tensions are also possible from inside to outside.
Die elektromagnetische Umformung erfolgt berührungslos. Daher ist eine Oberflächenbeschädigung durch Umformwerkzeuge nicht zu erwarten. Es können daher auch oberflächenbeschichtete Spannringe mit empfindlichen Schichten verwendet werden.The electromagnetic transformation takes place without contact. Therefore, a surface damage caused by forming tools is not expected. It is therefore also possible to use surface-coated clamping rings with sensitive layers.
Anhand der Zeichnung wird nachstehend ein Beispiel der Erfindung näher erläutert. Es zeigtWith reference to the drawing, an example of the invention will be explained in more detail below. It shows
Die in der
Mittels der Stromquelle
Aufgrund der radialsymmetrischen Verteilung der mechanischen Spannungen im Spannring
In
Da der Spannring
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Erregerspuleexcitation coil
- 22
- Stromquellepower source
- 33
- Spannringclamping ring
- 44
- Luftfederbalgsuspension bellows
- 55
- LuftfederdeckelAir spring cover
- 66
- Erregerstromexcitation current
- 77
- Magnetfeld/MagnetfeldvektorMagnetic field / magnetic field vector
- 88th
-
Sekundärstrom im Spannring
3 Secondary current in theclamping ring 3 - 99
- radiale Kraftradial force
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- EP 0515696 [0004] EP 0515696 [0004]
- DE 102005032 A1 [0006] DE 102005032 A1 [0006]
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010060994 DE102010060994A1 (en) | 2010-12-03 | 2010-12-03 | Clamping assembly for air springs, has air spring bellows with tubular end portion, air spring cover and clamping ring, where clamping ring is pressed by electromagnetic pulse formation against air spring bellows and air spring cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201010060994 DE102010060994A1 (en) | 2010-12-03 | 2010-12-03 | Clamping assembly for air springs, has air spring bellows with tubular end portion, air spring cover and clamping ring, where clamping ring is pressed by electromagnetic pulse formation against air spring bellows and air spring cover |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102010060994A1 true DE102010060994A1 (en) | 2012-06-06 |
Family
ID=46082906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201010060994 Ceased DE102010060994A1 (en) | 2010-12-03 | 2010-12-03 | Clamping assembly for air springs, has air spring bellows with tubular end portion, air spring cover and clamping ring, where clamping ring is pressed by electromagnetic pulse formation against air spring bellows and air spring cover |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102010060994A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112097384A (en) * | 2020-08-27 | 2020-12-18 | 上海外高桥造船有限公司 | Multi-connected air brake integration box |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0515696A1 (en) | 1990-12-17 | 1992-12-02 | Mitsui Mining Company, Limited | Process for producing formed active coke for desulfurization and denitrification with high denitrification performance |
-
2010
- 2010-12-03 DE DE201010060994 patent/DE102010060994A1/en not_active Ceased
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0515696A1 (en) | 1990-12-17 | 1992-12-02 | Mitsui Mining Company, Limited | Process for producing formed active coke for desulfurization and denitrification with high denitrification performance |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112097384A (en) * | 2020-08-27 | 2020-12-18 | 上海外高桥造船有限公司 | Multi-connected air brake integration box |
CN112097384B (en) * | 2020-08-27 | 2022-03-22 | 上海外高桥造船有限公司 | Multi-connected air brake integration box |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R012 | Request for examination validly filed | ||
R016 | Response to examination communication | ||
R002 | Refusal decision in examination/registration proceedings | ||
R003 | Refusal decision now final |